CN217582821U

CN217582821U - Check bolt structure

Info

Publication number: CN217582821U
Application number: CN202221897771.1U
Authority: CN
Inventors: 沈建成; 吴勤华
Original assignee: Jiaxing Chengfeng Hardware Co ltd
Current assignee: Jiaxing Chengfeng Hardware Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-10-14
Anticipated expiration: 2032-07-22

Abstract

The utility model belongs to the technical field of the bolt is locking. Especially, a check bolt structure, including the nut, the nut bottom has set firmly the screw rod, screw rod circumference outer wall is annular symmetrical structure and has seted up two spouts, the spout inner wall is linear equidistant a plurality of tooth's sockets of having seted up, screw rod outer wall threaded connection has the nut, screw rod outer wall cover is equipped with the threaded rod, through rotating the nut for the nut is along screw rod upward movement, can drive the threaded rod upward movement during the nut removes, drives the slider and upwards slides along the spout inner wall during the threaded rod removes, moves down along the threaded rod through rotating the thread bush for the ring of thread bush bottom produces the extrusion to two cardboards, makes the cardboard drive the pivot and rotates, and the cardboard slides to the inboard along the spout this moment, thereby with the tooth's socket joint of spout inner wall, and fix the screw rod, the threaded rod can carry on the nut spacing this moment, this design can avoid the nut to produce not hard up.

Description

Check bolt structure

Technical Field

The utility model relates to a bolt locking technical field especially relates to a locking bolt structure.

Background

The bolt is a tool for fastening the parts of the device step by utilizing the physics and mathematical principles of the inclined circular rotation and the friction force of the object, and the bolt is a fastener consisting of a head part and a screw rod, needs to be matched with a nut for use and is used for fastening and connecting two parts with through holes. The bolts are divided according to the stress mode of connection: common and reamed for use; dividing according to the shape of the head: hexagonal, round, square, countersunk, etc.; of these, hex heads are the most common and generally countersunk heads are used where the connection is required.

The existing bolt is in the fastening process, the nut is on the bolt, and due to the vibration generated during the operation of equipment, the nut can be loosened, so that the equipment structure is easily connected and loosened, the risk of safety accidents is increased, and therefore the anti-loosening bolt structure is provided.

SUMMERY OF THE UTILITY MODEL

Based on current bolt locking technical problem, the utility model provides a check bolt structure.

The utility model provides a pair of check bolt structure, the screw cap comprises a screw cap, the nut bottom has set firmly the screw rod, screw rod circumference outer wall is annular symmetrical structure and has seted up two spouts, the spout inner wall is linear equidistant a plurality of tooth's sockets of having seted up, screw rod outer wall threaded connection has the nut, screw rod outer wall cover is equipped with the threaded rod, threaded rod circumference outer wall threaded connection has the thread bush, the thread bush bottom has set firmly the ring, the threaded rod outer wall is symmetrical structure and has seted up two mounting grooves, the threaded rod inner wall is annular symmetrical structure and has set firmly two sliders, the rotation groove has been seted up at the slider top, it is connected with the pivot to rotate the inslot wall rotation, the pivot both ends are overlapped respectively and are equipped with the torsional spring, pivot circumference outer wall has set firmly the connecting block, the connecting block bottom has set firmly the cardboard.

Preferably, the top of the threaded rod is rotatably connected with the nut, and the bottom of the circular ring is in sliding contact with the clamping plate.

Through above-mentioned technical scheme, move down along the threaded rod through rotating the thread bush to make the ring extrude the cardboard, can reduce the frictional force of thread bush and cardboard through the ring.

Preferably, the sliding block is connected with the inner wall of the sliding groove in a sliding mode, and the clamping plate is matched with the tooth grooves in a clamping mode.

Through the technical scheme, the sliding block can be limited through the sliding groove, so that the clamping plate can be extruded by the threaded sleeve conveniently to rotate, the clamping plate is clamped with the tooth grooves, and the threaded rod is fixed.

Preferably, torsional spring one end is fixed with the rotation inslot wall connection, the torsional spring other end is connected fixedly with the connecting block.

Through above-mentioned technical scheme, through setting up the torsional spring, during the dismantlement, through rotating the thread bush along the threaded rod rebound, the cardboard was under the effect of torsional spring this moment, overturned to the outside along the spout, can follow the screw rod with the nut and take off.

Preferably, the clamping plate is obliquely arranged on one side close to the outer side and extends to the outer side of the mounting groove, and the clamping plate is connected with the inner wall of the mounting groove in a sliding mode.

Through above-mentioned technical scheme, move down along the threaded rod through rotating the thread bush for the ring of thread bush bottom produces the extrusion to two cardboards, makes the tooth's socket joint of cardboard and spout inner wall.

The utility model provides a beneficial effect does:

1. through rotating the nut, make the nut along the screw rod rebound, can drive the threaded rod rebound when the nut removes, the threaded rod drives the slider and upwards slides along the spout inner wall when removing, through rotating the thread bush along the threaded rod rebound, make the ring of thread bush bottom produce the extrusion to two cardboards, make the cardboard drive the pivot and rotate, the cardboard slides to the inboard along the spout this moment, thereby with the tooth's socket joint of spout inner wall, thereby fix the threaded rod, the threaded rod can the nut carry on spacingly this moment, this design can avoid the nut to produce not hard up.

2. Move down along the threaded rod through rotating the thread bush for the ring of thread bush bottom produces the extrusion to two cardboards, and this design can reduce the frictional force between thread bush and the cardboard.

Drawings

Fig. 1 is a schematic view of an overall structure of a check bolt structure provided by the present invention;

fig. 2 is a schematic view of a partial structure of a check bolt structure provided by the present invention;

fig. 3 is a schematic view of an internal structure of a threaded rod with a check bolt structure provided by the present invention;

fig. 4 is the utility model provides a mounting structure schematic diagram of check bolt structure cardboard.

In the figure: 1. a nut; 2. a screw; 3. a chute; 4. a tooth socket; 5. a nut; 6. a threaded rod; 7. a threaded sleeve; 8. a circular ring; 9. mounting grooves; 10. a slider; 11. a rotating groove; 12. a rotating shaft; 13. a torsion spring; 14. connecting blocks; 15. and (4) clamping the board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides a technical solution:

a check bolt structure comprises a nut 1, a screw 2 is fixedly arranged at the bottom of the nut 1, two sliding grooves 3 are formed in the outer wall of the circumference of the screw 2 in an annular symmetrical structure, a plurality of tooth grooves 4 are formed in the inner wall of each sliding groove 3 in a linear equidistant mode, a nut 5 is connected to the outer wall of the screw 2 in a threaded mode, a threaded rod 6 is sleeved on the outer wall of the screw 2, a threaded sleeve 7 is connected to the outer wall of the circumference of the threaded rod 6 in a threaded mode, a circular ring 8 is fixedly arranged at the bottom of the threaded sleeve 7, two mounting grooves 9 are formed in the outer wall of the threaded rod 6 in a symmetrical structure, two sliders 10 are fixedly arranged on the inner wall of the threaded rod 6 in an annular symmetrical structure, a rotating groove 11 is formed in the top of each slider 10, a rotating shaft 12 is rotatably connected to the inner wall of the rotating groove 11, torsion springs 13 are respectively sleeved at two ends of the rotating shaft 12, a connecting block 14 is fixedly arranged on the outer wall of the circumference of the rotating shaft 12, and a clamping plate 15 is fixedly arranged at the bottom of the connecting block 14; the nut 5 is enabled to move upwards along the screw rod 2 by rotating the nut 5, the nut 5 can drive the threaded rod 6 to move upwards when moving, the threaded rod 6 drives the sliding block 10 to slide upwards along the inner wall of the sliding groove 3 when moving, the threaded sleeve 7 is enabled to move downwards along the threaded rod 6 by rotating, the circular ring 8 at the bottom of the threaded sleeve 7 extrudes the two clamping plates 15, the clamping plates 15 drive the rotating shaft 12 to rotate, the clamping plates 15 slide inwards along the sliding groove 3 at the moment and are clamped with the tooth grooves 4 on the inner wall of the sliding groove 3, the threaded rod 6 is fixed, the threaded rod 6 can limit the nut 5 at the moment, and the design can avoid the nut 5 from loosening; move down along threaded rod 6 through rotating thread bush 7 for the ring 8 of thread bush 7 bottom produces the extrusion to two cardboard 15, and this design can reduce the frictional force between thread bush 7 and the cardboard 15.

Specifically, 6 tops of threaded rods are connected with 5 rotations of nut, and 8 bottoms of rings and 15 sliding contact of cardboard are through rotating 8 moves down along threaded rods 7 of thread bush to make 8 of rings extrude cardboard 15, can reduce the frictional force of 7 of thread bush and cardboard 15 through ring 8.

Further,

slider

10 and 3 inner wall sliding connection of spout, cardboard 15 and 4 joint cooperations of tooth's socket can carry on spacingly to slider 10 through spout 3 to can be convenient for rotate thread bush 7 and extrude cardboard 15, make

cardboard

15 and 4 joints of tooth's socket, thereby fix threaded rod 6.

Still further, 13 one end of torsional spring is fixed with 11 inner wall connections of rotating groove, and 13 other ends of torsional spring are connected fixedly with connecting block 14, and through setting up torsional spring 13, during the dismantlement, through rotating thread bush 7 along threaded rod 6 rebound, cardboard 15 is at this moment under the effect of torsional spring 13, along 3 outside upsets of spout, can take off nut 5 from screw rod 2.

Further, cardboard 15 leans on outer one side to be the slope setting and extends to the mounting groove 9 outside, cardboard 15 and the mounting groove 9 inner wall sliding connection, through rotating thread bush 7 along threaded rod 6 downstream for the ring 8 of thread bush 7 bottom produces the extrusion to two cardboard 15, makes cardboard 15 and the tooth's socket 4 joint of 3 inner walls of spout.

The working principle is as follows: through rotating nut 5, make nut 5 along 2 rebound of screw rod, can drive threaded rod 6 rebound during nut 5 removes, threaded rod 6 drives slider 10 and upwards slides along 3 inner walls of spout during the removal, move down along threaded rod 6 through rotating thread bush 7, make the ring 8 of 7 bottoms of thread bush produce the extrusion to two cardboard 15, make cardboard 15 drive pivot 12 and rotate, cardboard 15 slides to the inboard along spout 3 this moment, thereby with the tooth's socket 4 joint of 3 inner walls of spout, thereby fix threaded rod 6, threaded rod 6 can carry on spacingly by nut 5 this moment, during the dismantlement, through rotating thread bush 7 along 6 rebound of threaded rod, cardboard 15 is under the effect of torsional spring 13 this moment, overturn to the outside along spout 3, until cardboard 15 breaks away from the joint to tooth's socket 4, thereby can take off nut 5 from screw rod 2.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a check bolt structure, includes nut (1), its characterized in that: nut (1) bottom has set firmly screw rod (2), screw rod (2) circumference outer wall is annular symmetrical structure and has seted up two spout (3), spout (3) inner wall is linear equidistant a plurality of tooth's socket (4) have been seted up, screw rod (2) outer wall threaded connection has nut (5), screw rod (2) outer wall cover is equipped with threaded rod (6), threaded rod (6) circumference outer wall threaded connection has thread bush (7), thread bush (7) bottom has set firmly ring (8), threaded rod (6) outer wall is symmetrical structure and has seted up two mounting grooves (9), threaded rod (6) inner wall is annular symmetrical structure and has set firmly two slider (10), rotation groove (11) have been seted up at slider (10) top, rotation groove (11) inner wall rotates and is connected with pivot (12), pivot (12) both ends overlap respectively and are equipped with torsional spring (13), pivot (12) circumference outer wall has set firmly connecting block (14), connecting block (14) bottom has set firmly cardboard (15).

2. The check bolt structure of claim 1, characterized in that: the top of the threaded rod (6) is rotationally connected with the nut (5), and the bottom of the circular ring (8) is in sliding contact with the clamping plate (15).

3. The lock bolt structure according to claim 1, characterized in that: the sliding block (10) is connected with the inner wall of the sliding groove (3) in a sliding mode, and the clamping plate (15) is matched with the tooth grooves (4) in a clamping mode.

4. The lock bolt structure according to claim 1, characterized in that: and one end of the torsion spring (13) is fixedly connected with the inner wall of the rotating groove (11), and the other end of the torsion spring (13) is fixedly connected with the connecting block (14).

5. The check bolt structure of claim 1, characterized in that: cardboard (15) are the slope setting and extend to the mounting groove (9) outside by outer one side, cardboard (15) and mounting groove (9) inner wall sliding connection.